| 7 | 26 | 63 | 124 | 245 | 342 |  |
A) 511
B) 512
C) 513
D) 521
Correct Answer: A
Solution :
When one is added to each number, the result is the perfect cube of 2, 3, 4, 6, 7, 8, 9, etc. Hence next number is\[{{\text{8}}^{\text{3}}}-\text{1}=\text{511}\].
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